return exchange?.hasFailure == true &&
      exchangeFinder!!.routePlanner.hasNext(exchange?.connection)
  }

  /**
   * Returns a string that describes this call. Doesn't include a full URL as that might contain
   * sensitive information.
   */
  private fun toLoggableString(): String {
    return (
      (if (isCanceled()) "canceled " else "") +
        (if (forWebSocket) "web socket" else "call") +

      }

      Unit
    }

    if (noNewExchangesEvent) {
      connectionListener.noNewExchanges(this)
    }
  }

  override fun protocol(): Protocol = protocol!!

  override fun toString(): String {
    return "Connection{${route.address.url.host}:${route.address.url.port}," +
      " proxy=${route.proxy}" +
      " hostAddress=${route.socketAddress}" +
      " cipherSuite=${handshake?.cipherSuite ?: "none"}" +

  var sslSocketFactory: SSLSocketFactory? = handshakeCertificates.sslSocketFactory()
  var hostnameVerifier: HostnameVerifier? = HttpsURLConnection.getDefaultHostnameVerifier()
  var uriHost: String = "example.com"
  var uriPort: Int = 1

  fun newConnection(
    pool: RealConnectionPool,
    route: Route,
    idleAtNanos: Long = Long.MAX_VALUE,
    taskRunner: TaskRunner = this.taskRunner,

      requestHeaders: List<Header>,
    ) {
      pushRequestLater(promisedStreamId, requestHeaders)
    }

    override fun alternateService(
      streamId: Int,
      origin: String,
      protocol: ByteString,
      host: String,
      port: Int,
      maxAge: Long,
    ) {
      // TODO: register alternate service.
    }
  }

  /** Even, positive numbered streams are pushed streams in HTTP/2. */

  val factory: TestValueFactory = TestValueFactory(),
  val taskFaker: TaskFaker = factory.taskFaker,
) : RoutePlanner, Closeable {
  val pool = factory.newConnectionPool(routePlanner = this)
  val events = LinkedBlockingDeque<String>()
  var canceled = false
  var autoGeneratePlans = false
  var defaultConnectionIdleAtNanos = Long.MAX_VALUE
  private var nextPlanId = 0
  private var nextPlanIndex = 0
  val plans = mutableListOf<FakePlan>()

        if (existingCall != null) call.reuseCallsPerHostFrom(existingCall)
      }
    }
    promoteAndExecute()
  }

  private fun findExistingCallWithHost(host: String): AsyncCall? {
    for (existingCall in runningAsyncCalls) {
      if (existingCall.host == host) return existingCall
    }
    for (existingCall in readyAsyncCalls) {

    )

    taskFaker.advanceUntil(250.ms)
    assertEvents(
      "take plan 1",
      "plan 0 cancel",
      "plan 0 TCP connect canceled",
    )
  }

  private fun assertEvents(vararg expected: String) {
    val actual = generateSequence { routePlanner.events.poll() }.toList()
    assertThat(actual).containsExactly(*expected)
  }

  private val Int.ms: Long
    get() = this * 1_000_000L

      "FINE: Q10000 scheduled after 100 µs: task",
      "FINE: Q10000 starting              : task",
      "FINE: Q10000 run again after  50 µs: task",
      "FINE: Q10000 finished run in   0 µs: task",
      "FINE: Q10000 starting              : task",
      "FINE: Q10000 run again after 150 µs: task",
      "FINE: Q10000 finished run in   0 µs: task",
      "FINE: Q10000 starting              : task",
      "FINE: Q10000 finished run in   0 µs: task",

    assertThat(queues).hasSize(1)
  }

  private fun data(byteCount: Int): Buffer = Buffer().write(ByteArray(byteCount))

  private fun assertStreamData(
    expected: String?,
    source: Source?,
  ) {
    val actual = source!!.buffer().readUtf8()
    assertThat(actual).isEqualTo(expected)
  }

  /**